<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import * as echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '350px'
    },
    autoResize: {
      type: Boolean,
      default: true
    },
    chartData: {
      type: Object,
      required: true
    }
  },
  data() {
    return {
      chart: null
    }
  },
  watch: {
    chartData: {
      deep: true,
      handler(val) {
        this.setOptions(val)
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')
      this.setOptions(this.chartData)
    },
    setOptions({ expectedData, actualData, actual1Data } = {}) {
      this.chart.setOption({
        title: {
          show: true, // 是否显示标题组件
          text: '模型算法分析预警年度统计',  // 标题的文本内容,支持使用 \n 换行
          left: 'center',   // 离容器左侧的距离，可选值有像素值、百分比、'left'、'center'、'right'，默认值为 'auto'
          top: 'top',  // 离容器上侧的距离，可选值有像素值、百分比、'top'、'middle'、'bottom'，默认值为 'auto'
          textStyle: {  // 标题文本的样式设置，包括字体颜色、字号等。
            color: '#333',
            fontSize: 18,
            fontWeight: 'bold'
          }
        },
        xAxis: {
          data: ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月'],
          boundaryGap: false,
          axisTick: {
            show: false
          }
        },
        grid: {
          left: 10,
          right: 10,
          bottom: 20,
          top: 50,
          containLabel: true
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross'
          },
          padding: [5, 10]
        },
        yAxis: {
          axisTick: {
            show: false
          }
        },
        legend: {
          left: 'center',
          bottom: '0',
          data: ['振动', '声音', '视频']
        },
        series: [{
          name: '振动', itemStyle: {
            normal: {
              color: '#FF005A',
              lineStyle: {
                color: '#FF005A',
                width: 2
              }
            }
          },
          smooth: true,
          type: 'line',
          data: expectedData,
          animationDuration: 2800,
          animationEasing: 'cubicInOut'
        },
          {
            name: '声音',
            smooth: true,
            type: 'line',
            itemStyle: {
              normal: {
                color: '#3888fa',
                lineStyle: {
                  color: '#3888fa',
                  width: 2
                },
                areaStyle: {
                  color: '#f3f8ff'
                }
              }
            },
            data: actualData,
            animationDuration: 2800,
            animationEasing: 'quadraticOut'
          },
          {
            name: '视频',
            smooth: true,
            type: 'line',
            itemStyle: {
              normal: {
                color: 'rgb(46,199,201)',
                lineStyle: {
                  color: 'rgb(46,199,201)',
                  width: 2
                },
                areaStyle: {
                  color: '#f3f8ff'
                }
              }
            },
            data: actual1Data,
            animationDuration: 2800,
            animationEasing: 'quadraticOut'
          }]
      })
    }
  }
}
</script>
